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Hi,

 

gotta install IONetworkingFamily.kext, but dont know how. when i copy it into /System/Library/Extensions and reboot, i get an error saying that the extension wasnt installed properly. I red something like i have to set some permissions using chmod and chown, but i dont know how to set them (i know how to use the commands, but dont know for ex. to what do i have to chmod the kext in order to work).

 

Could anyone help me? Please, its quite urgent.

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In terminal, simply type in

diskutil repairPermissions /

 

then reboot.

 

Nice try, but unfortunately it often doesn't get the job done.

 

for a catch-all solution to chmod & chown'ing new kexts, just try:

 

sudo chmod -R 755 /System/Library/Extensions && sudo chown -R root:wheel /System/Library/Extensions

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